cregit-Linux how code gets into the kernel

Release 4.14 drivers/isdn/hysdn/ince1pc.h

/*
 * Linux driver for HYSDN cards
 * common definitions for both sides of the bus:
 * - conventions both spoolers must know
 * - channel numbers agreed upon
 *
 * Author    M. Steinkopf
 * Copyright 1999 by M. Steinkopf
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#ifndef __INCE1PC_H__

#define __INCE1PC_H__

/*  basic scalar definitions have same meanning,
 *  but their declaration location depends on environment
 */

/*--------------------------------------channel numbers---------------------*/

#define CHAN_SYSTEM     0x0001      
/* system channel (spooler to spooler) */

#define CHAN_ERRLOG     0x0005      
/* error logger */

#define CHAN_CAPI       0x0064      
/* CAPI interface */

#define CHAN_NDIS_DATA  0x1001      
/* NDIS data transfer */

/*--------------------------------------POF ready msg-----------------------*/
/* NOTE: after booting POF sends system ready message to PC: */

#define RDY_MAGIC       0x52535953UL    
/* 'SYSR' reversed */

#define RDY_MAGIC_SIZE  4               
/* size in bytes */


#define MAX_N_TOK_BYTES 255


#define MIN_RDY_MSG_SIZE    RDY_MAGIC_SIZE

#define MAX_RDY_MSG_SIZE    (RDY_MAGIC_SIZE + MAX_N_TOK_BYTES)


#define SYSR_TOK_END            0

#define SYSR_TOK_B_CHAN         1   
/* nr. of B-Channels;   DataLen=1; def: 2 */

#define SYSR_TOK_FAX_CHAN       2   
/* nr. of FAX Channels; DataLen=1; def: 0 */

#define SYSR_TOK_MAC_ADDR       3   
/* MAC-Address; DataLen=6; def: auto */

#define SYSR_TOK_ESC            255 
/* undefined data size yet */
/* default values, if not corrected by token: */

#define SYSR_TOK_B_CHAN_DEF     2   
/* assume 2 B-Channels */

#define SYSR_TOK_FAX_CHAN_DEF   1   
/* assume 1 FAX Channel */

/*  syntax of new SYSR token stream:
 *  channel: CHAN_SYSTEM
 *  msgsize: MIN_RDY_MSG_SIZE <= x <= MAX_RDY_MSG_SIZE
 *           RDY_MAGIC_SIZE   <= x <= (RDY_MAGIC_SIZE+MAX_N_TOK_BYTES)
 *  msg    : 0 1 2 3 {4 5 6 ..}
 *           S Y S R  MAX_N_TOK_BYTES bytes of TokenStream
 *
 *  TokenStream     :=   empty
 *                     | {NonEndTokenChunk} EndToken RotlCRC
 *  NonEndTokenChunk:= NonEndTokenId DataLen [Data]
 *  NonEndTokenId   := 0x01 .. 0xFE                 1 BYTE
 *  DataLen         := 0x00 .. 0xFF                 1 BYTE
 *  Data            := DataLen bytes
 *  EndToken        := 0x00
 *  RotlCRC         := special 1 byte CRC over all NonEndTokenChunk bytes
 *                     s. RotlCRC algorithm
 *
 *  RotlCRC algorithm:
 *      ucSum= 0                        1 unsigned char
 *      for all NonEndTokenChunk bytes:
 *          ROTL(ucSum,1)               rotate left by 1
 *          ucSum += Char;              add current byte with swap around
 *      RotlCRC= ~ucSum;                invert all bits for result
 *
 *  note:
 *  - for 16-bit FIFO add padding 0 byte to achieve even token data bytes!
 */

/*--------------------------------------error logger------------------------*/
/* note: pof needs final 0 ! */

#define ERRLOG_CMD_REQ          "ERRLOG ON"

#define ERRLOG_CMD_REQ_SIZE     10              
/* with final 0 byte ! */

#define ERRLOG_CMD_STOP         "ERRLOG OFF"

#define ERRLOG_CMD_STOP_SIZE    11              
/* with final 0 byte ! */


#define ERRLOG_ENTRY_SIZE       64      
/* sizeof(tErrLogEntry) */
					/* remaining text size = 55 */

#define ERRLOG_TEXT_SIZE    (ERRLOG_ENTRY_SIZE - 2 * 4 - 1)


typedef struct ErrLogEntry_tag {

	
/*00 */ unsigned long ulErrType;

	
/*04 */ unsigned long ulErrSubtype;

	
/*08 */ unsigned char ucTextSize;

	
/*09 */ unsigned char ucText[ERRLOG_TEXT_SIZE];
	/* ASCIIZ of len ucTextSize-1 */

/*40 */

} tErrLogEntry;


#if defined(__TURBOC__)
#if sizeof(tErrLogEntry) != ERRLOG_ENTRY_SIZE
#error size of tErrLogEntry != ERRLOG_ENTRY_SIZE
#endif				/*  */
#endif				/*  */

/*--------------------------------------DPRAM boot spooler------------------*/
/*  this is the struture used between pc and
 *  hyperstone to exchange boot data
 */

#define DPRAM_SPOOLER_DATA_SIZE 0x20

typedef struct DpramBootSpooler_tag {

	
/*00 */ unsigned char Len;

	
/*01 */ volatile unsigned char RdPtr;

	
/*02 */ unsigned char WrPtr;

	
/*03 */ unsigned char Data[DPRAM_SPOOLER_DATA_SIZE];

/*23 */

} tDpramBootSpooler;



#define DPRAM_SPOOLER_MIN_SIZE  5       
/* Len+RdPtr+Wrptr+2*data */

#define DPRAM_SPOOLER_DEF_SIZE  0x23    
/* current default size   */

/*--------------------------------------HYCARD/ERGO DPRAM SoftUart----------*/
/* at DPRAM offset 0x1C00: */

#define SIZE_RSV_SOFT_UART  0x1B0   
/* 432 bytes reserved for SoftUart */


#endif	/* __INCE1PC_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)21190.95%240.00%
Andrew Morton177.33%120.00%
Joe Perches31.29%120.00%
Linus Torvalds10.43%120.00%
Total232100.00%5100.00%
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